Black-Eyed Susan illustration

Growing Black-Eyed Susan in Zone 2a

Zone 2a has harsh winters and a short growing season. Start Black-Eyed Susan early indoors to maximize your harvest window. Last frost: May 15. First frost: Sep 15.

Planting Calendar

Indoor
Outdoor
Harvest
Mar 20Sep 15

Season: May 15 – Sep 15 (123 days)

Zone2a
Last FrostMay 15
First FrostSep 15
Season Length123 days
Days to Harvest75
SunFull Sun
Frost ToleranceModerate
Spacing12/sqft

When to Plant Black-Eyed Susan in Zone 2a

Start Seeds Indoors: Mar 20

Start Black-Eyed Susan seeds indoors around Mar 20 (8 weeks before last frost). Optimal germination temperature: 70°F. Germinates in 10–21 days.

Transplant Outdoors: May 15

Transplant Black-Eyed Susan seedlings outdoors after May 15. Wait until soil temperature reaches 55°F. Space plants at 12/sqft. Harden off plants for a week before moving outside.

Harvest: Aug 13

First harvest approximately Aug 13 (~90 days from transplant). Continue harvesting until first frost (Sep 15). Black-Eyed Susan can overwinter in mild climates for continued harvest.

Frequently Asked Questions

When should I plant Black-Eyed Susan in Zone 2a?

Start Black-Eyed Susan seeds indoors around Mar 20. Transplant outdoors after May 15. Expect first harvest around Aug 13.

What is the last frost date for Zone 2a?

The average last spring frost date for Zone 2a is May 15. The first fall frost averages Sep 15, giving a 123-day growing season.

Can I grow Black-Eyed Susan in Zone 2a?

Yes. Black-Eyed Susan needs 75 days to harvest. Zone 2a has a 123-day growing season, which is sufficient.

What is the best month to plant Black-Eyed Susan in Zone 2a?

The best time to start Black-Eyed Susan in Zone 2a is Mar. Begin seeds indoors around Mar 20, then transplant outdoors after the last frost date of May 15.

How long does Black-Eyed Susan take to harvest?

Black-Eyed Susan takes approximately 75 days from planting to harvest. In Zone 2a, expect your first harvest around Aug 13.

Plan Your Black-Eyed Susan Garden

Track Black-Eyed Susan from seed to harvest with personalized frost dates, watering recommendations, and companion planting visualization.

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